Earnings Per Share (Components Of Earnings Per Common Share - Basic And Diluted) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Continuing Operations [Abstract]
(Loss) income from continuing operations	$ (2,646)	$ (4,849)	$ 13,302	$ 6,052
Gain on Sale of Property	84	136	524	1,196
Net income attributable to noncontrolling interests	(1,342)	(1,236)	(2,783)	(2,328)
Preferred share dividends	(8,869)	(8,869)	(17,738)	(17,738)
Loss from continuing operations attributable to common shareholders – basic and diluted	(12,773)	(14,818)	(6,695)	(12,818)
Income from discontinued operations attributable to common shareholders - basic and diluted	$ 35,323	$ 7,652	$ 41,573	$ 12,879
Denominator [Abstract]
Weighted average shares outstanding - basic	120,661	120,345	120,571	120,244
Share options and awards	1,034	0	991	967
Weighted average shares outstanding - diluted	121,695	120,345	121,562	121,211